background image

use the viewfinder’s alignment screws 

to make any necessary refinements.

5. When finished, turn off the red dot 

viewfinder by rotating the on/off switch (Fig 1, 

15) counter-clockwise.
Once they are aligned and pointing at the 

same location, use the red-dot viewfinder to 

locate objects by placing the red dot over the 

object. Then use the 26mm eyepiece to view 

the object.

If the red-dot viewfinder is properly aligned 

with the telescope, the object should be 

somewhere in the 26mm eyepiece.  

USING THE TELESCOPE:

UNDERSTANDING CELESTIAL 

MOVEMENTS AND COORDINATES

Understanding where to locate celestial 

objects and how those objects move across 

the sky is the key to enjoying the hobby 

of astronomy. Most amateur astronomers 

7

balanced, proceed to “Aligning the red dot 

viewfinder”.

ALIGNING THE RED DOT VIEWFINDER

The eyepiece has a small field of view. The 

red-dot viewfinder has a much larger field 

of view making it an ideal accessory to help 

point the telescope accurately. The below 

procedure will walk you through adjusting the 

red-dot viewfinder so it points at the same 

location as the telescope.

Performing the first part of this procedure 

during the daytime may be the easiest.

1. Point the telescope at an easy-to-find land 

object such as the top of a telephone pole or 

a distant mountain or tower. 

NOTE: NEVER LOOK AT THE SUN!

Look through the 26mm eyepiece and turn 

the focuser knob (Fig 1, 11) until the image is 

sharply focused. Center the object precisely 

in the eyepiece’s field of view.

2. Turn on the red dot viewfinder by turning 

the on/off switch (Fig 1, 15) clockwise.

3. Look through the red dot viewfinder. Turn 

one or both of the viewfinder’s alignment 

screws (Fig 1, 16) until the red dot is precisely 

over the same object as you centered in the 

eyepiece.

The side alignment screw controls the 

horizontal, while the rear alignment controls 

the vertical.

4. Check this alignment at night on a celestial 

object, such as the Moon or a bright star, and 

Fig. 4 

(c) nimax GmbH

Summary of Contents for LIGHTBRIDGE mini series

Page 1: ...Reproduction of part or all of the contents of this document in any form is expressly prohibited other than for individual use only Subject to modifications and errors All text images and labels are...

Page 2: ...cause instant and irreversible damage to your eye Eye damage is often painless so there is no warning to the observer that damage has occurred until it is too late Do not point the telescope at or ne...

Page 3: ...e Understanding celestial movements and coordinates 7 The motions of the stars planets 8 The most important rule 8 Observing 8 Some observing tips 13 Specifications 15 Calculating the magnification of...

Page 4: ...nt Two Eyepieces Barlow lens Red dot finder Software dvd 2 114mm Mini Dobsonian Optical tube Dobsonian Mount Two Eyepieces Red dot finder Software dvd 130mm Mini Dobsonian Optical tube Dobsonian Mount...

Page 5: ...ry Mirror Collimation Adjustments not visible 7 Red Dot Viewfinder See inset B 8 Red Dot Viewfinder Bracket Mounting Thumbscrews See inset A 9 Focuser 10 Focuser Drawtube 11 Focuser Knob 12 Eyepiece 1...

Page 6: ...Dot Viewfinder See inset B 8 Red Dot Viewfinder Bracket Mounting Thumbscrews See inset A 9 Focuser 10 Focuser Drawtube 11 Focuser Knob 12 Eyepiece 13 Eyepiece Holder Thumbscrews 14 Vertical Lock Knob...

Page 7: ...ming light to focus You ll notice inside the telescope there are two mirrors used to reflect the light and bring it to focus The primary mirror is the large mirror at the bottom of the tube and second...

Page 8: ...ired accessories then follow these steps 6 1 Support the optical tube with one hand and loosen the vertical lock knob Fig 3b 14 on the side of the mount The optical tube will turn freely about this ax...

Page 9: ...er field of view making it an ideal accessory to help point the telescope accurately The below procedure will walk you through adjusting the red dot viewfinder so it points at the same location as the...

Page 10: ...unity of astronomers Go to www Meade4M com to activate your membership today 8 and observe at first You will enjoy your telescope even more as you learn more about it But don t be scared off by diffic...

Page 11: ...pper Cassiopeia 9 Pick out an easy object to observe A distant mountain a large tree a lighthouse or skyscraper make excellent targets Point the optical tube so it lines up with your objects Try using...

Page 12: ...he birth of our sun Recently astronomers have found large objects in this area and they may increase the number of planets in our solar system The four planets closest to the Sun are rocky and are cal...

Page 13: ...u will be able to see One of the most fascinating sights of Jupiter are its moons The four largest moons are called the Galilean moons after the astronomer Galileo who observed them for the first time...

Page 14: ...through a larger galaxy You may be able to see the Andromeda galaxy and several others in your telescope They will appear as small fuzzy clouds Only very large telescope will reveal spiral or ellipti...

Page 15: ...of your telescope By the way users of reflecting mirrored telescopes may have noticed something strange when looking through your eyepiece The image is upside down and reversed That means reading word...

Page 16: ...tered flashlight by taping red cellophane over a flashlight lens Viewing through windows Avoid setting up the telescope inside a room and observing through an opened or closed window pane Images may a...

Page 17: ...design Reflector Optical tube focal length 300mm Primary mirror diameter 82mm 3 2 in Focal ratio f 3 7 Viewfinder Red dot Eyepieces Two 2 1 25 H26mm H9mm 2X Barlow Included LightBridge 114mm Optical...

Page 18: ...when a camera is hooked up to the telescope For example the Lighbridge Mini 130mm Reflector has fast focal ratio at f 5 CALCULATING THE MAGNIFICATION OF YOUR EYEPIECE The power of a telescope is how...

Page 19: ...ification is necessarily better quite often the best view is with lower magnification value TAKING CARE OF YOUR TELESCOPE Yourtelescopeisaprecisionopticalinstrument designed for a lifetime of rewardin...

Page 20: ...only For higher or lower viewing magnifications Meade s eyepieces are available in a wide variety of focal lengths and provide a high level of image resolution and color correction at economical pric...

Page 21: ...or collimate the optics after receipt of the instrument However if the telescope received unusually rough handling in shipment it is possible that the optics must be re aligned for best optical perfo...

Page 22: ...ry mirror Fig 13 4 appear off center you will need to adjust the primary mirror tilt screws of the primary mirror cell Fig 10 2 These primary tilt screws are located behind the primary mirror at the l...

Page 23: ...e lock the tilt angle adjustment D STAR TESTING THE COLLIMATION With the collimation performed you will want to test the accuracy of the alignment on a star Use the 26mm eyepiece and point the telesco...

Page 24: ...CR2032 battery with the positive side up Then push the battery compartment back into the viewfinder and power on With the star testing of the collimation complete tighten the 3 slotted head primary mi...

Page 25: ...th from uncontrolled waste disposal please separate this from other types of wastes and recycle it as required by law Household users should contact either the retailer where they purchased this produ...

Page 26: ...DRAWING OF IMAGE OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG c nimax GmbH...

Page 27: ...DRAWING OF IMAGE OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG c nimax GmbH...

Page 28: ...DRAWING OF IMAGE OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG c nimax GmbH...

Page 29: ...DRAWING OF IMAGE OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG c nimax GmbH...

Page 30: ...DRAWING OF IMAGE OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG c nimax GmbH...

Page 31: ...www meade com Meade Instruments Corp 27 Hubble Irvine California c nimax GmbH...

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